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Abacus
Abacus The abacus, an ancient calculating device, probably originated in Babylon around...first calculator, and contemporary versions are still in use today. An abacus is a wooden or metal rectangular frame with vertical bars containing movable...
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Abacus
Abacus The abacus is the most ancient calculating device known. It has endured over time and is still in use in some countries. An abacus consists of a wooden frame, rods, and beads. Each rod represents a different...
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abacus
...performing arithmetic calculations. The type of abacus now best known is represented by a frame with sliding counters. An elementary abacus might have ten parallel wires strung between...represented and added together on the abacus by grouping beads together. To represent...
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abacus
abacus (pl. abaci). 1. Flat-topped plate, also called tailloir , the upper member of a capital of a column on which the architrave rests. The Greek Doric abacus is the simplest, consisting of a square unmoulded block, called plinthus , but abaci vary according to the Order used. 2...
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Aztec Abacus
AZTEC ABACUS Archaeologists have discovered that the Aztec culture used a counting device similar to the Asian abacus. The Aztec abacus (c. C . E . 900 – 1000) consisted of a wooden frame on which were mounted strings threaded with kernels of maize (corn).
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